Features: Intravenous catheter system casing is made of advanced biological material with soft casing, rough diameter and toughness, and easy to operate and fix but not easy to damage vessel wall to caused extravasations1) Intravenous supply of infusions and transfusion of blood and its components2) Recommended where infusions have to be given more than once or in Emergency medicine3) Types with ports suitable for injections of medicine without additional puncture4) For use with all kinds of infusion and transfusion sets